CN215037667U - Folding knife with knife grinding function - Google Patents
Folding knife with knife grinding function Download PDFInfo
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- CN215037667U CN215037667U CN202023075817.5U CN202023075817U CN215037667U CN 215037667 U CN215037667 U CN 215037667U CN 202023075817 U CN202023075817 U CN 202023075817U CN 215037667 U CN215037667 U CN 215037667U
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Abstract
The utility model discloses a from folding sword of taking sharpener function, including handle of a knife and blade, the handle of a knife sets up the blade and accomodates the groove, the blade is rotatable accomodate in the blade is accomodate the inslot, still includes: the fixed cover plate is detachably covered on the opening side of the knife body accommodating groove; the knife sharpener is characterized in that the knife handle is located on the opening side of the knife body accommodating groove, a first slide and a second slide are arranged on two sides of the knife body along the length direction respectively, and the knife sharpener can slide along the first slide and the second slide to polish the cutting edge of the knife body.
Description
Technical Field
The utility model relates to a folding knife technical field, specifically speaking relates to a from folding knife of area function of whetting a knife.
Background
Folding sword is a articles for daily use commonly, and current folding sword generally includes blade and handle of a knife, is equipped with the blade on the handle of a knife and accomodates the groove, and the blade passes through hinge swing joint in the one end of handle of a knife. The blade is accomodate at ordinary times and is accomodate the inslot at the blade, and the blade is taken in the groove and is unscrewed from the blade when needing to be used, can be used to cut. And the prior folding knife is not provided with a knife sharpening auxiliary structure, so that the knife body is not convenient to sharpen.
SUMMERY OF THE UTILITY MODEL
The utility model provides a from folding sword of taking sharpener function for solve above-mentioned technical problem.
In order to achieve the above object, the utility model discloses a from folding sword of taking sharpener function, including handle of a knife and blade, the handle of a knife sets up the blade and accomodates the groove, the blade is rotatable accomodate in the blade is accomodate the inslot, still includes: the fixed cover plate is detachably covered on the opening side of the knife body accommodating groove; the knife handle is positioned on the opening side of the knife body accommodating groove, a first slide and a second slide are arranged on two sides in the length direction respectively, and the knife sharpener can slide along the first slide and the second slide to polish the cutting edge of the knife body.
Preferably, the radian of the first slide way and the radian of the second slide way are matched with the radian of the cutting edge of the knife body, and the radian of the fixed cover plate is matched with the radian of the first slide way and the radian of the second slide way.
Preferably, the knife sharpener comprises:
mounting blocks;
the first mounting hole and the second mounting hole are arranged on the mounting block at intervals in the front-back direction, and both the first mounting hole and the second mounting hole penetrate through the left side surface and the right side surface of the mounting block;
the two grooves are respectively arranged on the upper surface and the lower surface of the mounting block and respectively correspond to the first mounting hole and the second mounting hole;
the first knife stone is inserted into the groove on the upper surface of the mounting block, a third mounting hole is formed in the first knife stone, and the third mounting hole is matched with the first mounting hole;
the second knife stone is inserted into the groove on the lower surface of the mounting block, a fourth mounting hole is formed in the second knife stone, and the fourth mounting hole is matched with the second mounting hole;
the first wheel shaft is connected in the first mounting hole and the third mounting hole in a sliding mode, and threads are arranged in the first wheel shaft;
the second wheel shaft is connected in the second mounting hole and the fourth mounting hole in a sliding mode, and threads are arranged in the second wheel shaft;
a second bolt threadedly connected with a thread in the first axle;
a third bolt threadedly connected with a thread in the second axle;
the first idler wheel is sleeved on the first wheel shaft, and the left side and the right side of the mounting block are provided with the first idler wheels;
and the second idler wheel is sleeved on the second wheel shaft, and the left side and the right side of the mounting block are provided with the second idler wheels.
Preferably, the first knife stone and the second knife stone are respectively contacted with two sides of the length direction of the blade, and the sharpening angle of the blade is matched with the angle of the inclined plane contact part of the knife stones.
Preferably, one side of the knife body is rotatably connected with a threaded sleeve through a bearing;
the handle of a knife includes:
the mounting structure comprises a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are respectively provided with a first through hole, and the first through holes are matched with the threaded sleeves in position;
the first slide way is arranged on the upper surface of the first mounting seat, and the second slide way is arranged on the upper surface of the second mounting seat;
the first bolt penetrates through the first through hole and is in threaded connection with the internal thread on the inner side of the threaded sleeve.
Preferably, the knife body is further provided with:
the second through hole is formed in the cutter tail of the cutter body, and is matched with the threaded sleeve in position.
Preferably, the knife body is further provided with:
the limiting groove is formed in the cutter tail of the cutter body, the first mounting seat or the second mounting seat is located on one side of the threaded sleeve, a limiting shaft is fixedly arranged on one side of the threaded sleeve, the limiting groove is sleeved on the limiting shaft, and the limiting shaft is connected with the limiting groove in a sliding mode.
Preferably, the fixing cover plate includes:
the inner side of the tail part of the cover plate body is provided with an extending part, and the extending part is attached to the tail end of the cutter body;
the inner side of the cover plate body is provided with a convex block, the radian of the cover plate body and the radian of the convex block are matched with the radian of the first slide way and the second slide way, and the convex block can be inserted between the first slide way and the second slide way;
the fifth threaded hole is formed in the extension part, and the tail end of the cutter body is provided with a sixth threaded hole corresponding to the fifth threaded hole;
and the fourth bolt fixes the cover plate body on the cutter handle through the fifth threaded hole and the sixth threaded hole.
Preferably, the limiting groove includes: the lock catch groove is positioned at two ends of the rotating groove; the lock catch comprises a lock catch head and a lock catch shaft, the lock catch shaft is connected with the limiting shaft through a spring, and the lock catch groove is matched with the lock catch shaft in shape.
Preferably, the apron body includes roof and curb plate, the roof with the curb plate rotates through first pivot to be connected still set up folding device on the roof, folding device includes:
a chute disposed in the top plate:
the inclined plate is fixedly arranged on the side plate;
the second rotating shaft is fixedly arranged on the inclined plate;
the sliding block is arranged in the sliding groove and is in sliding connection with the sliding groove;
one end of the connecting rod is rotatably connected with the sliding block through a bearing, and the other end of the connecting rod is rotatably connected with the second rotating shaft through a bearing;
the catch bar, catch bar sliding connection be in the spout, the one end of catch bar with slider fixed connection, the other end of catch bar with storage box fixed connection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the structure schematic diagram of the folding knife of the utility model:
FIG. 2 is a schematic view of the structure of the knife handle of the present invention;
FIG. 3 is a schematic view of the structure of the knife body of the present invention;
FIG. 4 is a schematic view of the structure of the knife sharpener of the present invention;
fig. 5 is the schematic view of the structure of the fixing cover plate of the utility model:
fig. 6 is a schematic structural view of the folding device of the present invention.
Fig. 7 is a schematic view of the structure of the limiting groove of the present invention.
In the figure: 1. a knife handle; 2. a blade body; 3. fixing the cover plate; 4. a knife sharpener; 5. a storage box; 6. locking; 11. a blade housing groove; 101. a first mounting seat; 102. a second mounting seat; 103. a bearing; 104. a limiting shaft; 105. a threaded sleeve; 106. a first through hole; 107. a first bolt; 108. a first slideway; 109. A second slideway; 201. a cutter tail; 202. a blade; 203. a second through hole; 204. a limiting groove; 301. a cover plate body; 302. a bump; 303. a fifth threaded hole; 304. a fourth bolt; 401. mounting blocks; 402. a second mounting hole; 403. a second whetstone; 404. a second roller; 405. a third bolt; 406. a second bolt; 407. a first roller; 408. a first mounting hole; 409. a groove; 410. a first whetstone; 411. a first axle; 412. a second wheel axle; 3011. a top plate; 3012. a side plate; 3013. a first rotating shaft; 3014. a chute; 3015. a sloping plate; 3016. a second rotating shaft; 3017. a slider; 3018. a connecting rod; 3019. a push rod; 2041. a rotating groove; 2042. a locking groove; 601. a locking head; 602. a latch shaft.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be further described with reference to the accompanying drawings.
Example 1
Like fig. 1, this embodiment provide a from folding knife of taking sharpener function, including handle of a knife 1 and blade 2, handle of a knife 1 sets up blade and accomodates groove 11, blade 2 is rotatable accomodate in blade accomodates groove 11, still includes: the knife body accommodating groove is formed in the knife body accommodating groove 11, and comprises a fixed cover plate 3 and a knife sharpener 4, wherein the fixed cover plate 3 covers the opening side of the knife body accommodating groove 11 in a detachable mode; the knife handle 1 is located on the opening side of the knife body accommodating groove 11, a first slide and a second slide 109 are arranged on two sides in the length direction respectively, and the knife sharpener 4 can slide along the first slide 108 and the second slide 109 to polish the cutting edge 202 of the knife body 2.
Preferably, the radian of the first slide way 108 and the radian of the second slide way 109 are matched with the radian of the blade 202 of the knife body 2, and the radian of the fixed cover plate 3 is matched with the radian of the first slide way 108 and the radian of the second slide way 109.
The working principle and the beneficial effects of the technical scheme are as follows: during the use, can directly accomodate groove 11 with blade 2 from the blade and roll out, convenient to use sets up first slide 108 and second slide 109 and as the auxiliary structure that whets a knife, provides a stable space of whetting a knife for sharpener 4 for the convenience of polishing of blade makes the process of whetting a knife stable accurate.
Example 2
On the basis of embodiment 1, as shown in fig. 4, the knife sharpener 4 includes:
a mounting block 401;
the mounting block 401 comprises a first mounting hole 408 and a second mounting hole 402 which are arranged on the mounting block 401 at intervals in the front-back direction, and the first mounting hole 408 and the second mounting hole 402 penetrate through the left side surface and the right side surface of the mounting block 401;
the two grooves 409 are respectively arranged on the upper surface and the lower surface of the mounting block 401, and the two grooves 409 are respectively arranged corresponding to the first mounting hole 408 and the second mounting hole 402;
the first knife stone 410 is inserted into the groove 409 on the upper surface of the mounting block 401, a third mounting hole is formed in the first knife stone 410, and the third mounting hole is matched with the first mounting hole 408;
the second whetstone 403 is inserted into the groove 409 on the lower surface of the mounting block 401, a fourth mounting hole is formed in the second whetstone 403, and the fourth mounting hole is matched with the second mounting hole 402;
a first axle 411, wherein the first axle 411 is slidably connected in the first mounting hole 408 and the third mounting hole, and a thread is arranged in the first axle 411;
a second axle 412, the second axle 412 slidably coupled within the second mounting hole 402 and the fourth mounting hole, the second axle 412 having threads disposed therein;
a second bolt 406, said second bolt 406 being threadedly connected with a thread in said first axle 411;
a third bolt 405, the third bolt 405 threadedly coupled with threads within the second axle 412;
the first idler wheel 407 is sleeved on the first wheel shaft 411, and the left side and the right side of the mounting block 401 are both provided with the first idler wheel 407;
the second roller 404 is sleeved on the second axle 412, and the second rollers 404 are arranged on the left side and the right side of the mounting block 401.
The first sharpening stone 410 and the second sharpening stone 403 are respectively in contact with two sides of the length direction of the blade 202, and the sharpening angle of the blade 202 is matched with the angle of the inclined plane contact part of the sharpening stones.
The working principle and the beneficial effects of the technical scheme are as follows: when the knife sharpener 4 is used, the rollers are placed on the first slide way 108 and the second slide way 109, the first knife stone 410 is contacted with one side of the knife edge 202, the sliding knife sharpener 4 polishes the knife edge 202, when the other side of the knife edge 202 needs to be polished, the second knife stone 403 is contacted with the other side of the knife edge 202, the scheme is convenient to sharpen the knife and accurate to position, two surfaces of the knife edge 202 can be polished by arranging the two knife stones, the practicability is improved, the knife sharpener 4 is more stable and firm and is convenient to disassemble by stably fixing the first knife stone 410 and the second knife stone on the mounting block 401 by arranging the groove 409, the second bolt 406, the third bolt 405, the first mounting hole 408 and the second mounting hole 402, the knife sharpener 4 and the first slide way 108 and the second slide way 109 on the knife sharpener 1 can be accurately positioned by arranging the first roller handle 407 and the second roller 404, and labor is saved during sharpening.
Example 3
On the basis of the embodiment 1 or 2, as shown in fig. 2 and 3, a threaded sleeve 105 is rotatably connected to one side of the knife body 2 through a bearing 103;
the tool shank 1 includes:
the mounting structure comprises a first mounting seat 101 and a second mounting seat 102, wherein the first mounting seat 101 and the second mounting seat 102 are both provided with a first through hole 106, and the first through hole 106 is matched with the threaded sleeve 105 in position;
the first slide way 108 is arranged on the upper surface of the first mounting seat 101, and the second slide way 109 is arranged on the upper surface of the second mounting seat 102;
a first bolt 107, wherein the first bolt 107 is threaded through the first through hole 106 and is connected with the internal thread inside the threaded sleeve 105.
Preferably, the knife body 2 is further provided with:
the second through hole 203 is formed in the cutter tail 201 of the cutter body 2, and the second through hole 203 is matched with the threaded sleeve 105 in position;
the limiting groove 204 is formed in the cutter tail 201 of the cutter body 2, the first mounting seat 101 or the second mounting seat 102 is located on one side of the threaded sleeve 105 and fixedly provided with a limiting shaft 104, the limiting groove 204 is sleeved on the limiting shaft 104, and the limiting shaft 104 is in sliding connection with the limiting groove 204.
The working principle and the beneficial effects of the technical scheme are as follows: can make sword tail 201 and bearing 103 rotate to be connected in handle of a knife 1 through setting up second through-hole 203, convenient to use, cutting edge 202 sets up certain radian, and unanimous with the radian of first mount pad 101, second mount pad 102, can make the whetstone carry out accurate location, makes the process of whetting a knife more accurate, through setting up spacing groove 204, can restrict the rotation space of blade 2 in handle of a knife 1, the use of convenient folding sword.
Example 4
On the basis of embodiment 1 or 2 or 3, as shown in fig. 5, the fixing cover plate 3 includes:
the inner side of the tail of the cover plate body 301 is provided with an extending part, and the extending part is attached to the tail end of the knife body 2; wherein, the extension part can be integrally arranged.
The convex block 302 is arranged on the inner side of the cover plate body 301, the radian of the cover plate body 301 and the radian of the convex block 302 are matched with the radians of the first slide way 108 and the second slide way 109, and the convex block 302 can be inserted between the first slide way 108 and the second slide way 109;
a fifth threaded hole 303, wherein the fifth threaded hole 303 is arranged on the extension part, and a sixth threaded hole corresponding to the fifth threaded hole 303 is arranged at the tail end of the knife body 2;
and the fourth bolt 304 fixes the cover plate body 301 to the tool shank 1 through the fifth threaded hole 303 and the sixth threaded hole by the fourth bolt 304.
The working principle and the beneficial effects of the technical scheme are as follows: the first mounting seat 101 and the second mounting seat 102 can be supported by the bumps 302, the fourth bolts 304 and the fifth threaded holes 303, so that the device is more stable, and the fixed cover plate 3 can prevent the cutting edge 202 from cutting a human body.
The technical scheme has the advantages that when the folding knife needs to be folded or unfolded, the lock catch is pulled to be pulled out of the lock catch groove, the limiting shaft can move from one lock catch groove to the other lock catch groove along the rotating groove, then the lock catch is loosened, the lock catch is pulled back to the lock catch groove under the action of the spring, the lock catch locks the limiting shaft to stop rotating due to the fact that the lock catch groove is matched with the shape of the lock catch, the device can be locked in position when the folding knife is unfolded or folded, safety is improved, the position of a knife edge cannot be changed when the knife sharpener is used, and knife sharpening is facilitated.
As shown in fig. 6, in an alternative embodiment, the cover plate body 301 includes a top plate 3011 and side plates 3012 (the positions of the top plate 3011 and the side plates 3012 can refer to the cover plate body 301 and the extension 305), the top plate 3011 and the side plates 3012 are connected to the top plate 3011 through a first rotating shaft 3013, and a folding device is further disposed on the top plate 3011, the folding device includes:
a chute 3014, the chute 3014 being disposed in the top plate 3011:
the inclined plate 3015 is fixedly arranged on the side plate 3012;
the second rotating shaft 3016 is fixedly arranged on the inclined plate 3015;
the sliding block 3017 is disposed in the sliding slot 3014 and is connected to the sliding slot 3014 in a sliding manner;
one end of the connecting rod 3018 is rotatably connected to the sliding block 3017 through a bearing 103, and the other end of the connecting rod 3018 is rotatably connected to the second rotating shaft 3016 through a bearing 103;
the push rod 3019 is slidably connected in the chute 3014, one end of the push rod 3019 is fixedly connected to the slider, and the other end of the push rod 3019 is fixedly connected to the storage box 5.
The working principle and the beneficial effects of the technical scheme are as follows: when the whetstone needs to be used, the top plate 3011 is rotated around the first rotating shaft 3013, the connecting rod 3018 pushes the sliding block 3017 to move leftwards, the sliding block 3017 drives the pushing rod 3019 to move leftwards, the pushing rod 3019 pushes the storage box out of the top plate 3011, the sharpener 4 can be taken out conveniently, the sharpener 4 is convenient to take, and the practicability of the device is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides a from folding sword of taking sharpener function, includes handle of a knife (1) and blade (2), handle of a knife (1) sets up the blade and accomodates groove (11), blade (2) rotatable accomodate in the blade accomodates in groove (11), its characterized in that still includes: the knife sharpener comprises a fixed cover plate (3) and a knife sharpener (4), wherein the fixed cover plate (3) covers the opening side of a knife body accommodating groove (11) in a detachable mode; the knife sharpener is characterized in that the knife handle (1) is located on the opening side of the knife body accommodating groove (11), a first slide way (108) and a second slide way (109) are arranged on two sides of the knife body along the length direction respectively, and the knife sharpener (4) can slide along the first slide way (108) and the second slide way (109) to polish a knife edge (202) of the knife body (2).
2. The folding knife with the sharpening function as claimed in claim 1, wherein the radian of the first slideway (108) and the second slideway (109) is matched with the radian of the blade edge (202) of the knife body (2), and the radian of the fixed cover plate (3) is matched with the radian of the first slideway (108) and the second slideway (109).
3. The folding knife with sharpener function as claimed in claim 1, characterized in that said sharpener (4) comprises:
a mounting block (401);
the mounting block comprises a first mounting hole (408) and a second mounting hole (402), wherein the first mounting hole and the second mounting hole are arranged on the mounting block (401) at intervals in a front-back mode, and the first mounting hole (408) and the second mounting hole (402) penetrate through the left side surface and the right side surface of the mounting block (401);
the two grooves (409) are respectively arranged on the upper surface and the lower surface of the mounting block (401), and the two grooves (409) are respectively arranged corresponding to the first mounting hole (408) and the second mounting hole (402);
the first knife stone (410) is inserted into a groove (409) in the upper surface of the mounting block (401), a third mounting hole is formed in the first knife stone (410), and the third mounting hole is matched with the first mounting hole (408);
the second knife stone (403) is inserted into the groove (409) in the lower surface of the mounting block (401), a fourth mounting hole is formed in the second knife stone (403), and the fourth mounting hole is matched with the second mounting hole (402);
the first wheel shaft (411) is connected in the first mounting hole (408) and the third mounting hole in a sliding mode, and threads are arranged in the first wheel shaft (411);
a second axle (412), the second axle (412) slidably coupled within the second mounting hole (402) and the fourth mounting hole, the second axle (412) having threads disposed therein;
a second bolt (406), the second bolt (406) being threadedly connected with a thread in the first axle (411);
a third bolt (405), the third bolt (405) being threadedly connected with a thread within the second axle (412);
the first idler wheel (407) is sleeved on the first wheel shaft (411), and the left side and the right side of the mounting block (401) are provided with the first idler wheel (407);
the second roller (404) is sleeved on the second axle (412), and the second rollers (404) are arranged on the left side and the right side of the mounting block (401).
4. The folding knife with self-sharpening function as claimed in claim 3, wherein the first sharpening stone (410) and the second sharpening stone (403) are respectively in contact with two sides of the length direction of the knife edge (202), and the opening angle of the knife edge (202) is adapted to the angle of the bevel contact part of the sharpening stones.
5. The folding knife with sharpening function as claimed in claim 1,
one side of the knife body (2) is rotatably connected with a threaded sleeve (105) through a bearing (103);
the handle (1) comprises:
the mounting structure comprises a first mounting seat (101) and a second mounting seat (102), wherein first through holes (106) are formed in the first mounting seat (101) and the second mounting seat (102), and the first through holes (106) are matched with the threaded sleeves (105);
the first slideway (108) is arranged on the upper surface of the first mounting seat (101), and the second slideway (109) is arranged on the upper surface of the second mounting seat (102);
a first bolt (107), wherein the first bolt (107) passes through the first through hole (106) and is in threaded connection with the internal thread on the inner side of the threaded sleeve (105).
6. The folding knife with sharpening function as claimed in claim 5, characterized in that the knife body (2) is further provided with:
the second through hole (203), the second through hole (203) sets up on sword tail (201) of blade (2), second through hole (203) with screw sleeve (105) position adaptation.
7. The folding knife with sharpening function as recited in claim 5,
the knife body (2) is also provided with: the limiting groove (204), the limiting groove (204) sets up on sword tail (201) of blade (2), lie in on first mount pad (101) or second mount pad (102) the fixed spacing axle (104) that sets up in threaded sleeve (105) one side, limiting groove (204) cover is in on spacing axle (104), spacing axle (104) with limiting groove (204) sliding connection.
8. A folding knife with sharpener function as per claim 1, characterized in that the fixed cover plate (3) comprises:
the inner side of the tail of the cover plate body (301) is provided with an extension part (305), and the extension part (305) is attached to the tail end of the knife body (2);
the inner side of the cover plate body (301) is provided with a bump (302), the radian of the cover plate body (301) and the radian of the bump (302) are matched with the radian of the first slide way (108) and the second slide way (109), and the bump (302) can be inserted between the first slide way (108) and the second slide way (109);
a fifth threaded hole (303), wherein the fifth threaded hole (303) is formed in the extension part (305), and a sixth threaded hole corresponding to the fifth threaded hole (303) is formed in the tail end of the knife body (2);
and the fourth bolt (304) fixes the cover plate body (301) on the cutter handle (1) through the fifth threaded hole (303) and the sixth threaded hole by the fourth bolt (304).
9. The folding knife with sharpening function as claimed in claim 7, wherein: the limiting groove (204) comprises: the lock catch comprises a rotating groove (2041) and two lock catch grooves (2042), wherein the lock catch grooves (2042) are positioned at two ends of the rotating groove (2041); one lock catch groove (2042) is sleeved on the limiting shaft (104), a lock catch (6) is sleeved on the limiting shaft (104), the lock catch (6) comprises a lock catch head (601) and a lock catch shaft (602), the lock catch shaft (602) is connected with the limiting shaft (104) through a spring, and the lock catch groove (2042) is matched with the lock catch shaft (602) in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075817.5U CN215037667U (en) | 2020-12-18 | 2020-12-18 | Folding knife with knife grinding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023075817.5U CN215037667U (en) | 2020-12-18 | 2020-12-18 | Folding knife with knife grinding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215037667U true CN215037667U (en) | 2021-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023075817.5U Active CN215037667U (en) | 2020-12-18 | 2020-12-18 | Folding knife with knife grinding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215037667U (en) |
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2020
- 2020-12-18 CN CN202023075817.5U patent/CN215037667U/en active Active
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